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Petalinux kernel panic error

elliottal

Asked by elliottal,

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elliottal Newbie

elliottal

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Posted

Hello, 

I am having an issue booting linux on the zybo z7-20 board after following ug1144 2017.4 edition to configure sd card ext filesystem boot found on page 47 of the document. It would boot fine before when using INITRAMFS but now that I have switched to an ext4 filesystem for boot I get a kernel panic error. Here is a log from booting the board from the sd card. 

  

Connected to COM5 at 115200
....... TIMEOUT !
Hit any key to stop autoboot:  4  3  2  1  0 
Device: sdhci@e0100000
Manufacturer ID: 6
OEM: 524b
Name: MSTran Speed: 50000000
Rd Block Len: 512
SD version 3.0
High Capacity: Yes
Capacity: 7.3 GiB
Bus Width: 4-bit
Erase Group Size: 512 Bytes
reading image.ub
3706424 bytes read in 323 ms (10.9 MiB/s)
## Loading kernel from FIT Image at 10000000 ...
   Using 'conf@2' configuration
   Verifying Hash Integrity ... OK
   Trying 'kernel@0' kernel subimage
     Description:  Linux Kernel
     Type:         Kernel Image
     Compression:  uncompressed
     Data Start:   0x100000d4
     Data Size:    3674216 Bytes = 3.5 MiB
     Architecture: ARM
     OS:           Linux
     Load Address: 0x00008000
     Entry Point:  0x00008000
     Hash algo:    sha1
     Hash value:   b92ee16705ff92b540e4db3aa41264c6d3802e30
   Verifying Hash Integrity ... sha1+ OK
## Loading fdt from FIT Image at 10000000 ...
   Using 'conf@2' configuration
   Trying 'fdt@0' fdt subimage
     Description:  Flattened Device Tree blob
     Type:         Flat Device Tree
     Compression:  uncompressed
     Data Start:   0x10381230
     Data Size:    30915 Bytes = 30.2 KiB
     Architecture: ARM
     Hash algo:    sha1
     Hash value:   b229130affcadb2365e0b70ea1bf51f0f9eb33cb
   Verifying Hash Integrity ... sha1+ OK
   Booting using the fdt blob at 0x10381230
   Loading Kernel Image ... OK
   Loading Device Tree to 07ff5000, end 07fff8c2 ... OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0

Linux version 4.9.0-xilinx-apf (Embedded@localhost.localdomain) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #4 SMP PREEMPT Fri Jul 26 09:43:31 EDT 2019

CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d

CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

OF: fdt:Machine model: Zynq Zybo Z7 Development Board

bootconsole [earlycon0] enabled

cma: Reserved 128 MiB at 0x38000000

Memory policy: Data cache writealloc

percpu: Embedded 14 pages/cpu @ef7c9000 s25932 r8192 d23220 u57344

Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 260608

Kernel command line: console=ttyPS0,115200 earlyprintk uio_pdrv_genirq.of_id=generic-uio

PID hash table entries: 4096 (order: 2, 16384 bytes)

Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)

Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

Memory: 899044K/1048576K available (5120K kernel code, 198K rwdata, 1440K rodata, 1024K init, 341K bss, 18460K reserved, 131072K cma-reserved, 131072K highmem)

Virtual kernel memory layout:

    vector  : 0xffff0000 - 0xffff1000   (   4 kB)

    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)

    vmalloc : 0xf0800000 - 0xff800000   ( 240 MB)

    lowmem  : 0xc0000000 - 0xf0000000   ( 768 MB)

    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)

    modules : 0xbf000000 - 0xbfe00000   (  14 MB)

      .text : 0xc0008000 - 0xc0600000   (6112 kB)

      .init : 0xc0800000 - 0xc0900000   (1024 kB)

      .data : 0xc0900000 - 0xc0931bc0   ( 199 kB)

       .bss : 0xc0931bc0 - 0xc0986fd8   ( 342 kB)

Preemptible hierarchical RCU implementation.

	Build-time adjustment of leaf fanout to 32.

	RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.

RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2

NR_IRQS:16 nr_irqs:16 16

efuse mapped to f0802000

slcr mapped to f0804000

L2C: platform modifies aux control register: 0x72360000 -> 0x72760000

L2C: DT/platform modifies aux control register: 0x72360000 -> 0x72760000

L2C-310 erratum 769419 enabled

L2C-310 enabling early BRESP for Cortex-A9

L2C-310 full line of zeros enabled for Cortex-A9

L2C-310 ID prefetch enabled, offset 1 lines

L2C-310 dynamic clock gating enabled, standby mode enabled

L2C-310 cache controller enabled, 8 ways, 512 kB

L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x76760001

zynq_clock_init: clkc starts at f0804100

Zynq clock init

sched_clock: 64 bits at 333MHz, resolution 3ns, wraps every 4398046511103ns

clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x4ce07af025, max_idle_ns: 440795209040 ns

Switching to timer-based delay loop, resolution 3ns

clocksource: ttc_clocksource: mask: 0xffff max_cycles: 0xffff, max_idle_ns: 537538477 ns

timer #0 at f080c000, irq=17

Console: colour dummy device 80x30

Calibrating delay loop (skipped), value calculated using timer frequency.. 666.66 BogoMIPS (lpj=3333333)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)

Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)

CPU: Testing write buffer coherency: ok

CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

Setting up static identity map for 0x100000 - 0x100058

CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

Brought up 2 CPUs

SMP: Total of 2 processors activated (1333.33 BogoMIPS).

CPU: All CPU(s) started in SVC mode.

devtmpfs: initialized

VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

pinctrl core: initialized pinctrl subsystem

NET: Registered protocol family 16

DMA: preallocated 256 KiB pool for atomic coherent allocations

cpuidle: using governor menu

hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

hw-breakpoint: maximum watchpoint size is 4 bytes.

zynq-ocm f800c000.ocmc: ZYNQ OCM pool: 256 KiB @ 0xf0880000

zynq-pinctrl 700.pinctrl: zynq pinctrl initialized

e0001000.serial: ttyPS0 at MMIO 0xe0001000 (irq = 27, base_baud = 6249999) is a xuartps
à¬Ëk׋«Ò+W/ª*LW�Y·X±¶ed
console [ttyPS0] enabled

bootconsole [earlycon0] disabled
bootconsole [earlycon0] disabled

GPIO IRQ not connected
XGpio: /amba_pl/gpio@41230000: registered, base is 1023
vgaarb: loaded
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
media: Linux media interface: v0.10
Linux video capture interface: v2.00
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
EDAC MC: Ver: 3.0.0
FPGA manager framework
fpga-region fpga-full: FPGA Region probed
clocksource: Switched to clocksource arm_global_timer
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
futex hash table entries: 512 (order: 3, 32768 bytes)
workingset: timestamp_bits=30 max_order=18 bucket_order=0
jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
bounce: pool size: 64 pages
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
dma-pl330 f8003000.dmac: Loaded driver for PL330 DMAC-241330
dma-pl330 f8003000.dmac: 	DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16
xilinx-vdma 43010000.dma: Xilinx AXI VDMA Engine Driver Probed!!
xilinx-frmbuf 43c80000.v_frmbuf_wr: Xilinx AXI frmbuf DMA_DEV_TO_MEM
xilinx-frmbuf 43c80000.v_frmbuf_wr: Xilinx AXI FrameBuffer Engine Driver Probed!!
xdevcfg f8007000.devcfg: ioremap 0xf8007000 to f0904000
[drm] Initialized
[drm] load() is defered & will be called again
brd: module loaded
loop: module loaded
m25p80 spi0.0: found s25fl128s, expected m25p80
m25p80 spi0.0: s25fl128s (16384 Kbytes)
4 ofpart partitions found on MTD device spi0.0
Creating 4 MTD partitions on "spi0.0":
0x000000000000-0x000000500000 : "boot"
0x000000500000-0x000000520000 : "bootenv"
0x000000520000-0x000000fa0000 : "kernel"
0x000000fa0000-0x000001000000 : "spare"
libphy: Fixed MDIO Bus: probed
CAN device driver interface
libphy: MACB_mii_bus: probed
macb e000b000.ethernet eth0: Cadence GEM rev 0x00020118 at 0xe000b000 irq 29 (00:18:3e:02:c8:3c)
RTL8211E Gigabit Ethernet e000b000.etherne:01: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=e000b000.etherne:01, irq=-1)
e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
usbcore: registered new interface driver usb-storage
e0002000.usb supply vbus not found, using dummy regulator
ci_hdrc ci_hdrc.0: unable to init phy: -110
ci_hdrc: probe of ci_hdrc.0 failed with error -110
mousedev: PS/2 mouse device common for all mice
i2c /dev entries driver
cdns-i2c e0004000.i2c: 400 kHz mmio e0004000 irq 23
cdns-i2c e0005000.i2c: 400 kHz mmio e0005000 irq 24
xilinx-video amba_pl:video_cap: device registered
xilinx-csi2rxss 43c60000.mipi_csi2_rx_subsystem: Xilinx CSI2 Rx Subsystem Soft Reset Timeout!
xilinx-csi2rxss 43c60000.mipi_csi2_rx_subsystem: Xilinx CSI2 Rx Subsystem device found!
xilinx-video amba_pl:video_cap: Entity type for entity 43c60000.mipi_csi2_rx_subsystem was not initialized!
cdns-wdt f8005000.watchdog: Xilinx Watchdog Timer at f094c000 with timeout 10s
EDAC MC: ECC not enabled
Xilinx Zynq CpuIdle Driver started
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
mmc0: SDHCI controller on e0100000.sdhci [e0100000.sdhci] using ADMA
ledtrig-cpu: registered to indicate activity on CPUs
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
NET: Registered protocol family 10
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered protocol family 17
can: controller area network core (rev 20120528 abi 9)
NET: Registered protocol family 29
can: raw protocol (rev 20120528)
can: broadcast manager protocol (rev 20161123 t)
can: netlink gateway (rev 20130117) max_hops=1
mmc0: Problem switching card into high-speed mode!
mmc0: new SDHC card at address 0001
Registering SWP/SWPB emulation handler
mmcblk0: mmc0:0001 MS 7.32 GiB 
 mmcblk0: p1 p2
[drm] No max horizontal width in DT, using default 1920
[drm] No max vertical height in DT, using default 1080
OF: graph: no port node found in /amba_pl/xilinx_drm
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] No driver support for vblank timestamp query.
Console: switching to colour frame buffer device 100x30
xilinx-drm amba_pl:xilinx_drm: fb0:  frame buffer device
[drm] Initialized xilinx_drm 1.0.0 20130509 on minor 0
hctosys: unable to open rtc device (rtc0)
of_cfs_init
of_cfs_init: OK
DOVDD_reg: disabling
AVDD_reg: disabling
DVDD_reg: disabling
VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
0100           16384 ram0  (driver?)
0101           16384 ram1  (driver?)
0102           16384 ram2  (driver?)
0103           16384 ram3  (driver?)
0104           16384 ram4  (driver?)
0105           16384 ram5  (driver?)
0106           16384 ram6  (driver?)
0107           16384 ram7  (driver?)
0108           16384 ram8  (driver?)
0109           16384 ram9  (driver?)
010a           16384 ram10  (driver?)
010b           16384 ram11  (driver?)
010c           16384 ram12  (driver?)
010d           16384 ram13  (driver?)
010e           16384 ram14  (driver?)
010f           16384 ram15  (driver?)
1f00            5120 mtdblock0  (driver?)
1f01             128 mtdblock1  (driver?)
1f02           10752 mtdblock2  (driver?)
1f03             384 mtdblock3  (driver?)
b300         7680000 mmcblk0  driver: mmcblk
  b301          195584 mmcblk0p1 000a629c-01
  b302         7483392 mmcblk0p2 000a629c-02
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.9.0-xilinx-apf #4
Hardware name: Xilinx Zynq Platform
[<c010e244>] (unwind_backtrace) from [<c010a4a4>] (show_stack+0x10/0x14)
[<c010a4a4>] (show_stack) from [<c02dc2d0>] (dump_stack+0x80/0x9c)
[<c02dc2d0>] (dump_stack) from [<c010c9f8>] (ipi_cpu_stop+0x3c/0x70)
[<c010c9f8>] (ipi_cpu_stop) from [<c010d210>] (handle_IPI+0x64/0x84)
[<c010d210>] (handle_IPI) from [<c0101420>] (gic_handle_irq+0x78/0x94)
[<c0101420>] (gic_handle_irq) from [<c010ae8c>] (__irq_svc+0x6c/0xa8)
Exception stack(0xef075f70 to 0xef075fb8)
5f60:                                     00000000 00000000 2ef9b000 ef7dc9c0
5f80: 46f2edf3 00000000 ef7dbe40 00000001 45180d2f 00000000 00000000 00000001
5fa0: 0000000b ef075fc0 c04b5600 c04b5624 60000013 ffffffff
[<c010ae8c>] (__irq_svc) from [<c04b5624>] (cpuidle_enter_state+0xe4/0x1b0)
[<c04b5624>] (cpuidle_enter_state) from [<c014c834>] (cpu_startup_entry+0x17c/0x19c)
[<c014c834>] (cpu_startup_entry) from [<001014cc>] (0x1014cc)
---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
random: fast init done

Can somebody help me determine what this means and why the board has a kernel panic? 

Thanks for your time!

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